638631755 (number)

638631755 is an odd 9-digits composite number following 638631754 and preceding 638631756. In scientific notation, it is written as 6.38631755 × 10^8. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 510905400 positive integers (up to 638631755) that are relatively prime to 638631755.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million six hundred thirty-one thousand seven hundred fifty-five

Notation

Scientific notation 6.38631755 × 10^8
Engineering notation 6.38631755 × 10^6

Prime Factorization of 638631755

Prime Factorization 5 × 127726351

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638631755
Product of the distinct prime numbers

The prime factorization of 638631755 is 5 × 127726351. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 2, 25, 46, 718, 325, 3382, 4002, 37014, 84365, 982976, 823351, 9698075, 2486628, 21873376, 49079302, 548119106, 571122055, 4145955541, 8314676338

Basic calculations (n = 638631755)

Multiplication

n×y
n×2 1277263510
n×3 1915895265
n×4 2554527020
n×5 3193158775

Division

n÷y
n÷2 319315877.5
n÷3 212877251.66667
n÷3 159657938.75
n÷5 127726351

Exponentiation

ny
n2 407850518494380025
n3 2.6046629240373E+26
n4 1.6634204543613E+35
n5 1.0623131240717E+44

Nth Root

y√n
2√n 25271.164496319
3√n 861.15931399801
4√n 158.96906773432
5√n 57.683300521972

Divisors of 638631755

1, 5, 127726351, 638631755

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638631754
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638631755 can be divided by 4 positive divisors. The sum of these divisors (counting 638631755) is 1, the average is 0.25.

Base conversion 638631755

Base System Value
2 Binary 100110000100001011111101001011
3 Ternary 1122111200212001222
4 Quaternary 212010023331023
5 Quinary 2301442204010
6 Senary 143212032255
8 Octal 4604137513
10 Decimal 638631755
12 Duodecimal 159a6268b
16 Hexadecimal 2610bf4b
20 Vigesimal 9jb8j7f
36 Base36 ak83ez

Cryptographic Hash Functions

md5 aa064dab66a860969eb2a427dd52e6ac
sha1 bee772b9a1999a8a3417dc0de6016aad4d8d741b
sha256 dbcb1856c7197444fad7eca3cdfd1a131a88fff61fa1682322758d810e70cb87
sha512 d7fd86935d69a638699e9f03aa741004f360a2cf7148b7505e91b3903909bff5edb2e418ac6ab5cabbe0971ae3ca8eea7d0c37214148eae36eb322f2c53fae00
ripemd-160 741f6697b2601bccb89fcc13fc2885970cbbe8fe

638631755 as geometric shapes

Circle

Radius = n
Diameter 1277263510
Circumference 4012641659.7143
Area 1.2813001926647E+18

Sphere

Radius = n
Volume 1.0910386542978E+27
Surface area 5.1252007706589E+18
Circumference 4012641659.7143

Square

Length = n
Perimeter 2554527020
Area 407850518494380025
Diagonal 903161689.28313

Cube

Length = n
Surface area 2447103110966280150
Volume 2.6046629240373E+26
Space diagonal 1106142646.9869

Equilateral Triangle

Length = n
Perimeter 1915895265
Area 1.7660445498139E+17
Altitude 553071323.49344

Triangular Pyramid

Length = n
Surface area 1.7660445498139E+17
Volume 3.0696246938199E+25
Height 301053896.42771